Biopsy and coagulant device
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United States of America Patent
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-
Mar 9, 2004
Grant Date -
Jul 25, 2002
app pub date -
Nov 6, 2001
filing date -
Nov 6, 2000
priority date (Note) -
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Abstract
The biopsy device has a biopsy channel connected to an aspiration and collecting chamber and at least one application channel connected to a dispensing chamber integrally connected with the aspiration chamber. The application channel is formed by a tube centrically slipped over the biopsy channel wall. To enable the collection of tissue specimens without tissue specimens entering and obstructing the application cannula, the distal segment of the application channel forms a close fitting and concentric sheath around the biopsy channel. The proximal end of the application channel has a larger diameter than the distal end allowing for unobstructed flow of the application material past the biopsy channel wall upon retraction of the biopsy channel from the distal segment of the application channel.
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